Question: Which census population method was used to determine the Region of Valparaiso?
Paraphrase: What was the census population method used to determine the Region of Valparaiso?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q219458 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P459 wd:Q39825 }